SOLUTION: Roberta can drive her car 8.3 miles per dollar of gasoline that she buys. Her and three of her friends go on a road trip to a university that is 100 miles away and they want to spl

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Question 520674: Roberta can drive her car 8.3 miles per dollar of gasoline that she buys. Her and three of her friends go on a road trip to a university that is 100 miles away and they want to split the cost of gasoline evenly. How much money does each have to contribute?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+100+ miles x +1%2F8.3+%29+dollars%2Fmile+=+%7B%7B%7B+12.05+ cost of trip
+12.05%2F3+=+4.02+
Each contributes $4.02